[Qgis-user] error message in 3.4.5

[Boaz Bar Ilan]

hi

 I installed 3.4.5 and I get error message

during the first startup this program is the python package reportable
installed this may require that you run qgis with asministarative rights

how to treat that error ?
thanks
boaz
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Re: [Qgis-user] CRS / reprojection problems

[Matt Boyd]

Hi Nicolas and Alexandre,
I'm pretty sure that I've done as much as I can to make sure I haven't
screwed up the projections. I used to make those mistakes years ago when I
was first learning, lately the mistakes I've made are because I haven't
been paying attention... I'm pretty sure I'm paying attention this time.

This is a link to some data and a qgis file I'm using as an example
https://unimelbcloud-my.sharepoint.com/:f:/g/personal/boydmc_student_unimelb_edu_au/EuUzfUvxA6NGmZOuYo8_fmkB0AvLldzBmXwq68mdwZvmcw?e=Ake4Qi

lineations_MGA54_projected is the shapefile with the correctly projected
information layer. - Known good data

If I change to a geogrpahic / unprojected coordinate system, for example
GDA94, this layer is not displayed and the canvas is blank.

If I export the lineations_MGA54_projected data to a new file as
unprojected GDA94 option, the re-projected data is wrong.

Thanks for your help

Matt






On Tue, May 21, 2019 at 11:37 PM Nicolas Cadieux <
nicolas.cadi...@archeotec.ca> wrote:

> Hi,
>
> 99 % of the time, the data is the problem because it’s in the wrong crs.
> Right click on the problem layer in the layer panel and change the layer
> crs to what is should be.  Use a google or other base map from quickmap
> plugin.  That should permit you to find the correct CRS.
>
> Sometimes, crs will have problems reprojecting across some latitudes or
> longitude (like projections make for the poles).  In that case,
> reprojecting the data using the “save as” option will solve the problem.
>
> Nicolas
>
> > Le 20 mai 2019 à 21:53, Matt Boyd  a écrit :
> >
> > Hi QGISers,
> > I'm having an issue with reprojecting things in QGIS.
> > Installer OSGEO64W
> > Latest version and LTS both have same issue.
> >
> > Issue:
> > reprojection just isn't working. If I load a data set with decimal
> degrees and another with a projected coordinate system the data (points /
> lines / polygons) will only display if the basemap is in the same
> projection system.
> >
> > This is happening across 2 PCs, (windows10) and the LTS and latest
> versions of QGIS. Has anyone got some troubleshooting tips?
> >
> > Thanks
> > Matt
> > ___
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Re: [Qgis-user] QGIS 6.3 for macOS 10.14.5 : HELP

[Ramon Andinach]

Hi Nuno,

Glad it’s mostly working.

QGIS (and its tools) slowly gets better at noticing invalid layers, and there 
are a lot of changes between these two versions. I’d  run one of the geometry 
checkers over your layer, eg.  Vector -> Geometry Tools -> Check Validity, and 
see if that shows up anything.
If that doesn’t show anything I'm probably out, but maybe one of the others 
could help as this isn’t a Mac specific error.

Regards,
Ramon.

> On 22 May 2019, at 09:07, Nuno Manuel de Figueiredo de Santos Loureiro 
>  wrote:
> 
> Hi Ramon,
> 
> Many thanks.
> I followed your recommendations.
> However a few issues remain.
> William wrotes:
> /Library/Frameworks/Python.framework/Versions/3.6/bin:/Library/Frameworks/GDAL.framework/Versions/2.3/Programs:
> in the step by step
> But he also says that GDAL is 2.4 and not 2.3.
> 
> I checked in my computar and I have GDAL 1.11, 2.1, GDAL 2.2 and GDAL 2.4.
> I believe that GDAL 1.11 and 2.1 is needed for QGIS 2.18.23, that GDAL 2.2 is 
> not needed and that GDAL 2.4 is needed for QGIS 3.6.2.
> Is this true?
> 
> After, I changed the above line to
> /Library/Frameworks/Python.framework/Versions/3.6/bin:/Library/Frameworks/GDAL.framework/Versions/2.4/Programs:
> (only 2.3 to 2.4)
> 
> Finally the Merge a few rasters works well ;-)
> 
> But the following step, the Clip a raster using a mask layer is not working.
> Instead I received the following message:
> 
> ERROR 1: Cutline polygon is invalid.
> 
> Note that the same task (Clip a raster using a mask layer) in QGIS 2.18.23 
> (using the same input layers) runs without any kind of troubles.
> 
> Ramon, have you any additional suggestions???
> 
> many thanks for your attention,
> 
> Nuno
>  
> -x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
> Nuno de Santos Loureiro (PhD)
> Faculdade de Ciências e Tecnologia - DCTMA - Ed. 8
> Universidade do Algarve
> Campus de Gambelas
> 8005-139 FARO   (Portugal)
> -x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
> From: Ramon Andinach 
> Sent: 22 May 2019 00:43
> To: Nuno Manuel de Figueiredo de Santos Loureiro
> Cc: qgis-user
> Subject: Re: [Qgis-user] QGIS 6.3 for macOS 10.14.5 : HELP
>  
> Hi Nuno,
> 
> You need to set some environmental variables, so that the GDAL binaries can 
> be found.
> William provides a nice step by step in file Read Me.txt
> 
> If you’ve already deleted the dmg I’ll paste it into a reply, but you should 
> read Read Me.txt because it contains other useful bits of information besides 
> the answer to your question.
> 
> Regards,
> Ramon.
> 
>> On 22 May 2019, at 07:14, Nuno Manuel de Figueiredo de Santos Loureiro 
>> mailto:nlou...@ualg.pt>> wrote:
>> 
>> Hi all,
>> 
>> I'm a very regular (happy) user of QGIS 2.18.23.
>> Recently I installed QGIS 6.3.2 on my Mac with macOS 10.14.5.
>> Several tasks are running very well but when I tried to merge a few rasters 
>> I was not able to do that and I received the following message:
>> 
>> GDAL command output:
>> /bin/sh: gdal_merge.py: command not found
>> 
>> Also, when I tried to clip a raster using a mask layer I was not able to do 
>> that and I received the following message:
>> 
>> GDAL command output:
>> /bin/sh: gdalwarp: command not found
>> 
>> What is missing or wrong?
>> Can somebody help me with some tips to fix this issue?
>> 
>> Many thanks in advance, 
>> 
>> Nuno
>>  
>> -x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
>> Nuno de Santos Loureiro (PhD)
>> Faculdade de Ciências e Tecnologia - DCTMA - Ed. 8
>> Universidade do Algarve
>> Campus de Gambelas
>> 8005-139 FARO   (Portugal)
>> -x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
>> ___
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>> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user 
>> 
>> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user 
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Re: [Qgis-user] Map Matching

[Chintan]

Hey, I was looking to plot the trajectory in QGIS using your developed plugin
but I think there are some bugs and its not working, can you please help?





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Re: [Qgis-user] QGIS 6.3 for macOS 10.14.5 : HELP

[Nuno Manuel de Figueiredo de Santos Loureiro]

Hi Ramon,

Many thanks.
I followed your recommendations.
However a few issues remain.
William wrotes:

/Library/Frameworks/Python.framework/Versions/3.6/bin:/Library/Frameworks/GDAL.framework/Versions/2.3/Programs:

in the step by step
But he also says that GDAL is 2.4 and not 2.3.

I checked in my computar and I have GDAL 1.11, 2.1, GDAL 2.2 and GDAL 2.4.
I believe that GDAL 1.11 and 2.1 is needed for QGIS 2.18.23, that GDAL 2.2 is 
not needed and that GDAL 2.4 is needed for QGIS 3.6.2.
Is this true?

After, I changed the above line to

/Library/Frameworks/Python.framework/Versions/3.6/bin:/Library/Frameworks/GDAL.framework/Versions/2.4/Programs:

(only 2.3 to 2.4)

Finally the Merge a few rasters works well ;-)

But the following step, the Clip a raster using a mask layer is not working.
Instead I received the following message:

ERROR 1: Cutline polygon is invalid.


Note that the same task (Clip a raster using a mask layer) in QGIS 2.18.23 
(using the same input layers) runs without any kind of troubles.


Ramon, have you any additional suggestions???


many thanks for your attention,


Nuno



-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-

Nuno de Santos Loureiro (PhD)

Faculdade de Ciências e Tecnologia - DCTMA - Ed. 8

Universidade do Algarve

Campus de Gambelas

8005-139 FARO   (Portugal)

-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-


From: Ramon Andinach 
Sent: 22 May 2019 00:43
To: Nuno Manuel de Figueiredo de Santos Loureiro
Cc: qgis-user
Subject: Re: [Qgis-user] QGIS 6.3 for macOS 10.14.5 : HELP

Hi Nuno,

You need to set some environmental variables, so that the GDAL binaries can be 
found.
William provides a nice step by step in file Read Me.txt

If you’ve already deleted the dmg I’ll paste it into a reply, but you should 
read Read Me.txt because it contains other useful bits of information besides 
the answer to your question.

Regards,
Ramon.

On 22 May 2019, at 07:14, Nuno Manuel de Figueiredo de Santos Loureiro 
mailto:nlou...@ualg.pt>> wrote:

Hi all,

I'm a very regular (happy) user of QGIS 2.18.23.
Recently I installed QGIS 6.3.2 on my Mac with macOS 10.14.5.
Several tasks are running very well but when I tried to merge a few rasters I 
was not able to do that and I received the following message:

GDAL command output:
/bin/sh: gdal_merge.py: command not found

Also, when I tried to clip a raster using a mask layer I was not able to do 
that and I received the following message:

GDAL command output:
/bin/sh: gdalwarp: command not found

What is missing or wrong?
Can somebody help me with some tips to fix this issue?

Many thanks in advance,

Nuno



-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
Nuno de Santos Loureiro (PhD)
Faculdade de Ciências e Tecnologia - DCTMA - Ed. 8
Universidade do Algarve
Campus de Gambelas
8005-139 FARO   (Portugal)
-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
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Re: [Qgis-user] QGIS 6.3 for macOS 10.14.5 : HELP

[Ramon Andinach]

Hi Nuno,

You need to set some environmental variables, so that the GDAL binaries can be 
found.
William provides a nice step by step in file Read Me.txt

If you’ve already deleted the dmg I’ll paste it into a reply, but you should 
read Read Me.txt because it contains other useful bits of information besides 
the answer to your question.

Regards,
Ramon.

> On 22 May 2019, at 07:14, Nuno Manuel de Figueiredo de Santos Loureiro 
>  wrote:
> 
> Hi all,
> 
> I'm a very regular (happy) user of QGIS 2.18.23.
> Recently I installed QGIS 6.3.2 on my Mac with macOS 10.14.5.
> Several tasks are running very well but when I tried to merge a few rasters I 
> was not able to do that and I received the following message:
> 
> GDAL command output:
> /bin/sh: gdal_merge.py: command not found
> 
> Also, when I tried to clip a raster using a mask layer I was not able to do 
> that and I received the following message:
> 
> GDAL command output:
> /bin/sh: gdalwarp: command not found
> 
> What is missing or wrong?
> Can somebody help me with some tips to fix this issue?
> 
> Many thanks in advance, 
> 
> Nuno
>  
> -x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
> Nuno de Santos Loureiro (PhD)
> Faculdade de Ciências e Tecnologia - DCTMA - Ed. 8
> Universidade do Algarve
> Campus de Gambelas
> 8005-139 FARO   (Portugal)
> -x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
> ___
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[Qgis-user] QGIS 6.3 for macOS 10.14.5 : HELP

[Nuno Manuel de Figueiredo de Santos Loureiro]

Hi all,

I'm a very regular (happy) user of QGIS 2.18.23.
Recently I installed QGIS 6.3.2 on my Mac with macOS 10.14.5.
Several tasks are running very well but when I tried to merge a few rasters I 
was not able to do that and I received the following message:

GDAL command output:
/bin/sh: gdal_merge.py: command not found

Also, when I tried to clip a raster using a mask layer I was not able to do 
that and I received the following message:

GDAL command output:
/bin/sh: gdalwarp: command not found


What is missing or wrong?

Can somebody help me with some tips to fix this issue?


Many thanks in advance,


Nuno



-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-

Nuno de Santos Loureiro (PhD)

Faculdade de Ciências e Tecnologia - DCTMA - Ed. 8

Universidade do Algarve

Campus de Gambelas

8005-139 FARO   (Portugal)

-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-x-
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Re: [Qgis-user] Fix Geometries

[Nicolas Cadieux]

Hi,

The Geometry Checker plugin will add a the 'Check Geometries' option in 
the vector menu.  It is very unstable with the current version of QGIS.  
If you get it to run, it should solve most problems.  I get it to run 
when I only select one test at a time.


The most predictable tool is the vector/geometry tools/Check validity 
using the 'QGIS' Method (not GEOS).  That should fix your file.  There 
is a 'remove duplicate vertices' and 'delete duplicate geometries' in 
processing.  Your problem could also be caused by a module not working 
with multipart objects.  Go to vector/Geometry tools/Multiparts to 
singleparts.


If your lines don't touch,   try the 'snap Geometries to layer ' in 
processing.


Nicolas

On 2019-05-21 2:54 a.m., Mithoefer wrote:

Hi Finnbar,

What plugin are you talking about and what QGIS version do you use?
You have a number of tools to check geometries. Try "Topology checker" 
or "Geometry checker" to see where the problems are (invalid 
geometries). Geometry checker is also able to fix some issues. Maybe 
thats the one you use.


Anotehr option is GRASS GIS. Have you ever worked wit GRASS GIS? You 
can create a GRASS database and import your polygons. GRASS GIS uses a 
topolgical data model and is quite powerful in establishing a desent 
data model with snapping options and clean functions. You can also try 
GRASS tools from the processing framework like build polygons or clean.


Regards
Klaus

Am 20.05.19 um 11:31 schrieb GILLEN Finbar:

Hi All,

I have a few polygon layers where anytime I go to use them I have to 
use the fix geometries plugin so that invalid geometries are fixed.


When I save the output from the fixed geometries plugin and add it in 
a new project the same issues appears where I can’t use it accurately 
to do a Select or Join by Location because some of the geometries are 
still seen as invalid even though they have been ‘fixed’.


Is there anyway solution to this or do I have to keep using the fix 
geometries plugin anytime I use the polygons for analysis?


Regards

Finbar

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Re: [QGIS-it-user] Problema esportazione raster a GRD

[Luca Bellani]

confermo il problema con QGIS 3.x

Provati gli stessi 2 raster in QGIS 2.18 e 3.x
1 raster milto piccolo, che é un clip di quello grande, in formato tif.
La idea é esportarlo mediante export o translate a GRD Surfer 7 Binary Grid.

In QGIS 2.18 nessun problema, il fiel piccolo lo esporta in 1 secondo, il
grande in 20 circa
In QGIS 3.x inizia l'odissea...il file piccolo lo processa in vari secondi e
sembra si impalli il software per alcuni secondi. Con il file grande, sembra
vada il loop...la barra inferiore con il % del processo non segnala nulla,
inizia a scrivere il file nella cartella ma non arriva mai alla fine, anche
se lasciato lavorare per 10 minuti...

Non potendo condividere il file grande, cerco nei ticket se c'é na cosa
simile giá segnalat, altrimenti procedo io.
Ciao



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Re: [QGIS-it-user] Problema esportazione raster a GRD

[Luca Bellani]

Grazie mille. Faccio altre prove, ed apriró un ticket. Mai successo con 2.18.



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Re: [Qgis-user] CRS / reprojection problems

[Nicolas Cadieux]

Hi,

99 % of the time, the data is the problem because it’s in the wrong crs.  Right 
click on the problem layer in the layer panel and change the layer crs to what 
is should be.  Use a google or other base map from quickmap plugin.  That 
should permit you to find the correct CRS.

Sometimes, crs will have problems reprojecting across some latitudes or 
longitude (like projections make for the poles).  In that case, reprojecting 
the data using the “save as” option will solve the problem.

Nicolas

> Le 20 mai 2019 à 21:53, Matt Boyd  a écrit :
> 
> Hi QGISers,
> I'm having an issue with reprojecting things in QGIS.
> Installer OSGEO64W
> Latest version and LTS both have same issue.
> 
> Issue:
> reprojection just isn't working. If I load a data set with decimal degrees 
> and another with a projected coordinate system the data (points / lines / 
> polygons) will only display if the basemap is in the same projection system.
> 
> This is happening across 2 PCs, (windows10) and the LTS and latest versions 
> of QGIS. Has anyone got some troubleshooting tips?
> 
> Thanks
> Matt
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Re: [QGIS-it-user] Problema esportazione raster a GRD

[Alessandro Perego]

Ho provato ad esportare in "Golden Software Binary Grid" (.grd) da QGIS 
3.4.8 su win 10: la prima volta è andato in crash, ho riprovato una 
seconda volta ed ha funzionato correttamente.


Ho provato anche da QGIS con gdal translate negli strumenti di 
processing e riesce a creare un file .grd che però è di tipo "Golden 
Software ASCII Grid" ed il tipo di dato passa da 32 a 64 bit.



Il 20/05/2019 21:28, Luca Bellani ha scritto:

Salve ho notato un'anomalia apparente.
Ho creato un maisco di raster DEM (aggiungo che il geoprocess interno a
QGIS, anche se limitato in opzioni rispetto a Mosaic RAster Layer di SAGA
risulta essere molto pi´pu veloce).
é un file grosso, 1.6 giga, e al cercare di esportarlo in formato GRD, QGIS
va in na sorta di loop e non finisce mai il processo...credevo fosse colpa
del layer, ma lo stesso layer importato a SAGA GUI, funziona perfettamente
in pochi secondi.
Ho provato a fare un piccolo clip, del Mosaico TIF originale e ripetere
l'operazione...ma succede la stessa cosa, al punto di andare in crash.
Vorrei chiedervi, per chi avesse uno spazio di tempo, di provare la stessa
pocedura, ossia esportare da QGIS  (io uso 3.6.3) il raster in formato GRD.

Grazie, Luca clip_raster.rar




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Re: [QGIS-it-user] QGIS crea shapefile poligono

[Paolo Cavallini]

Ottimo, grazie a te.

On 21/05/19 09:16, Totò wrote:
> pcav wrote
>> nel caso specifico, penso che il plugin Clipper dovrebbe essere più
>> tollerante
>> saluti
> 
> Grazie per lo spunto,
> ho aperto issue
> 
> https://github.com/demarcog/Clipper/issues/7
> 
> saluti
> 
> 
> 
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Re: [QGIS-it-user] QGIS crea shapefile poligono

[Totò]

pcav wrote
> nel caso specifico, penso che il plugin Clipper dovrebbe essere più
> tollerante
> saluti

Grazie per lo spunto,
ho aperto issue

https://github.com/demarcog/Clipper/issues/7

saluti



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Re: [QGIS-it-user] QGIS crea shapefile poligono

[Paolo Cavallini]

nel caso specifico, penso che il plugin Clipper dovrebbe essere più
tollerante
saluti

On 21/05/19 08:22, Totò wrote:
> Ecco un altro motivo per evitare di utilizzare gli shapefile:
> 
> Alessandro Pasotti spiega il perché nella risposta al mio ticket
> 
> https://issues.qgis.org/issues/22107#change-104711
> 
> grazie a tutti
> 
> saluti
> 
> 
> 
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Re: [Qgis-user] KMZ

[Patrick Dunford]

You have to use a compatible CRS such as EPSG:3857 when importing from 
Google Earth


On 20/05/19 1:45 PM, Lukas Sadler wrote:

Hi,

I've tried importing KMZ files from google earth into a project on 
QGIS (3.6.3 Noosa) but the files don't project in the same location 
even if i set it to the project's CRS


what should i do to have the KMZ files projecting in the correct location

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Re: [Qgis-user] Fix Geometries

[Mithoefer]

Hi Finnbar,

What plugin are you talking about and what QGIS version do you use?
You have a number of tools to check geometries. Try "Topology checker" 
or "Geometry checker" to see where the problems are (invalid 
geometries). Geometry checker is also able to fix some issues. Maybe 
thats the one you use.


Anotehr option is GRASS GIS. Have you ever worked wit GRASS GIS? You can 
create a GRASS database and import your polygons. GRASS GIS uses a 
topolgical data model and is quite powerful in establishing a desent 
data model with snapping options and clean functions. You can also try 
GRASS tools from the processing framework like build polygons or clean.


Regards
Klaus

Am 20.05.19 um 11:31 schrieb GILLEN Finbar:

Hi All,

I have a few polygon layers where anytime I go to use them I have to use 
the fix geometries plugin so that invalid geometries are fixed.


When I save the output from the fixed geometries plugin and add it in a 
new project the same issues appears where I can’t use it accurately to 
do a Select or Join by Location because some of the geometries are still 
seen as invalid even though they have been ‘fixed’.


Is there anyway solution to this or do I have to keep using the fix 
geometries plugin anytime I use the polygons for analysis?


Regards

Finbar

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Re: [Qgis-user] CRS / reprojection problems

[Alexandre Neto]

Haven't had any problems with any of the versions. I would dare to guess
that the problem lies on the data. Can you please share some sample data?

A ter, 21/05/2019, 02:53, Matt Boyd  escreveu:

> Hi QGISers,
> I'm having an issue with reprojecting things in QGIS.
> Installer OSGEO64W
> Latest version and LTS both have same issue.
>
> Issue:
> reprojection just isn't working. If I load a data set with decimal degrees
> and another with a projected coordinate system the data (points / lines /
> polygons) will only display if the basemap is in the same projection system.
>
> This is happening across 2 PCs, (windows10) and the LTS and latest
> versions of QGIS. Has anyone got some troubleshooting tips?
>
> Thanks
> Matt
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Re: [QGIS-it-user] Riflessione sulle donazioni e futuro QGIS

[matteo]

Ciao Martina,

beh il suggerimento di andare verso progetti europei è molto bello da
una parte, ma molto complesso dall'altra.

Avendo partecipato anni fa a un H2020 (non ho fatto niente dal punto di
vista burocratico, sono stato preso quando il progetto era già
iniziato), so che partecipare a un progetto, scriverlo ecc ecc ecc è uno
sforzo notevole. Solitamente (ma la mia poco esperienza è solo per gli
H2020) ci sono molti enti/aziende/amministrazioni che partecipano insieme.

Dipende ovviamente dalla dimensione del progetto e da tutta
l'architettura che ci sta dietro.

Però bello spunto

Matteo

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Re: [QGIS-it-user] QGIS crea shapefile poligono

[Totò]

Ecco un altro motivo per evitare di utilizzare gli shapefile:

Alessandro Pasotti spiega il perché nella risposta al mio ticket

https://issues.qgis.org/issues/22107#change-104711

grazie a tutti

saluti



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